Question

помогите решить:0.2(7-2у)=2.3-0.3(у-6)

Answer 1

1.4-0.4y=2,3-0,3y+1.8
-0.4y+0.3y=2.3+1.8-1.4
-0.1y=2.7
y=2.7/(-0.1)
y=-27

Ответ: -27

Answer 2

0.2(7-2)=2.3-0.3(y-6)=0.2-0.3+y-6=6